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Operation of the EM Bird requires experienced personnel on board the aircraft.
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Summary
| Sensorweb integration |
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Summary |
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The EM-Bird is a small and lightweight, digital frequency-domain electromagnetic-induction (EM) system, dedicated for measurements of sea ice thickness. It is a technique that can achieve profiles of several kilometer length. For the airborne measurements the EM Bird is dragged along a tow rope below the aircraft at low altitude over the ice. It can be winch up and down for transit lines, take off and landing. |
| Sensorweb integration |
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Metadata |
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| Manufacturer | Ferra Dynamics Inc. |
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| Model | |
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| Serial No. | n/a |
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| Type | radar system |
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| REGISTRY-Link | ↪ REGISTRY (6807) |
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| Sensorweb integration |
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Images |
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...
| Sensorweb integration |
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Contacts |
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| Name | Institution | Role |
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| Stefan Hendricks | Alfred - Wegener -InstituteInstitute, Helmholtz Centre for Polar and Marine Research | Data Scientist | | Jan Rohde | AWI | Editor | | Jan Rohde | AWI | Device Contact |
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| Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research | Device Contact |
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Components and Specifications
The EM-Bird system comprises the EM-Bird itself, which is lowered to the ice during flight. For deployment a winch is installed inside the aircraft. Power supply unit and operator PC are located on the winch.
Specifications of the EM-Bird (without mounting)
Position
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Subdevices | | LocalFrame |
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| Info | The EM Bird is fastened to the fuselage within a cage. During flight it can be lowered and towed closely above ground. The winch and data aquisition are installed in the cabin. | | X | 0.0 none
(no description given) | | Y | 0.0 none
(no description given) | | Z | 0.0 none
(no description given) |
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Data logging, storage and archiving
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| Sensorweb integration |
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Parameters |
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| Parameter | Sensor O2ARegistry Output Type | Unit |
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| sea ice thickness | sea ice thickness | m |
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| Metadata (Metadata Plugin) |
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During flight the EM Bird data are stored on an external PC. |
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Data archiving on land
| Metadata (Metadata Plugin) |
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| After the flight EM Bird data are downloaded from the PC and are made accessible via the external devices file system of the land Data Managment System (DMS). |
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Documentation
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| urn | aircraft:bt-67:em_bird |
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| contenttype | Resources |
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